Hyundai Tucson LM Quiz
Automatic Transmission

Transmission Control Module (TCM) Circuit Diagrams

In this manual: Automatic Transmission
General Information — 1Engine Mechanical System — 44Engine Electrical System — 45Emission Control System — 24Engine Control System/Fuel System — 93Clutch System — 13Manual Transmission — 18Automatic Transmission — 87Four-Wheel Drive (4WD) System — 26Drive Shaft and Axle — 29Suspension System — 35Steering — 20Restraints — 47Brake System — 36Body (Interior and Exterior) — 53Body Electrical System — 202Heating, Ventilation, and Air Conditioning — 58
~5min read

1. TCM Connector and Terminal Function

2. TCM Terminal Function

Connector [A]
Pin Description Pin Description
1 - 54 -
2 - 55 -
3 - 56 -
4 - 57 -
5 - 58 Sport Mode Down Switch
6 - 59 Transmission Fluid Temperature Sensor (+)
7 - 60 -
8 - 61 -
9 - 62 -
10 - 63 -
11 - 64 -
12 - 65 -
13 - 66 -
14 - 67 -
15 - 68 -
16 - 69 -
17 - 70 -
18 - 71 -
19 - 72 -
20 - 73 "S4" Inhibitor Switch Signal
21 - 74 Inhibitor Switch Signal "S2"
22 Overdrive Clutch Control Solenoid Valve 75 Inhibitor Switch Signal "S3"
23 Line Pressure Control Solenoid Valve 76 -
24 - 77 -
25 - 78 -
26 On/Off Solenoid Valve B (SS-B) 79 -
27 - 80 -
28 - 81 -
29 - 82 -
30 - 83 -
31 - 84 -
32 - 85 -
33 - 86 -
34 - 87 Solenoid Power Supply 2
35 - 88 Solenoid Power Supply 1
36 - 89 On/Off Solenoid Valve A (SS-A)
37 Sport Mode Up Switch 90 -
38 Sport Mode Select Switch 91 -
39 Oil Temperature Sensor (-) 92 -
40 - 93 -
41 - 94 Inhibitor Switch Signal "S1"
42 - 95 Output Speed Sensor Power
43 Underdrive Brake Control Solenoid Valve 96 Input Speed Sensor Power
44 35R Clutch Control Solenoid Valve 97 -
45 Torque Converter Control Solenoid Valve 98 -
46 26 Brake Control Solenoid Valve 99 Input Speed Sensor Signal
47 - 100 Output Speed Sensor Signal
48 - 101 -
49 - 102 -
50 - 103 -
51 - 104 -
52 - 105 -
53 - X X

Connector [B]
Pin Description Pin Description
1 Ground (Power) 47 -
2 Ground (Power) 48 -
3 Battery Power (B+) 49 -
4 Ground (Power) 50 -
5 Battery Power (B+) 51 -
6 - 52 -
7 - 53 -
8 - 54 -
9 - 55 -
10 - 56 -
11 - 57 -
12 - 58 -
13 - 59 -
14 - 60 -
15 - 61 -
16 - 62 -
17 - 63 -
18 - 64 -
19 - 65 -
20 - 66 -
21 - 67 Ignition Lock
22 - 68 -
23 - 69 -
24 - 70 -
25 - 71 Control Start Relay
26 - 72 -
27 - 73 -
28 - 74 -
29 - 75 -
30 - 76 -
31 - 77 CAN (High)
32 - 78 CAN (LOW)
33 - 79 -
34 - 80 -
35 - 81 -
36 - 82 -
37 - 83 -
38 - 84 -
39 - 85 -
40 - 86 -
41 - 87 -
42 - 88 -
43 - 89 -
44 - 90 -
45 - 91 -
46 - X X

TCM Terminal Input/Output Signal

Connector [A]
Pin Description Condition Input/Output Value
Type Level
22 Overdrive Clutch Control Solenoid Valve
(OD/C_VFS)		 X
X
X		 Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
Power Supply: V_SOL1
23 Line Pressure Control Solenoid Valve
(LINE_VFS)		 X Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
26 On/Off Solenoid Valve B (SS-B) High Output 0 V/Battery Voltage Level
Low 9 V < Battery Voltage Level < 16 V
37 Sport Mode Up Switch On Input 0 V/Battery Voltage Level
Other 9 V < Battery Voltage Level < 16 V
38 Sport Mode Select Switch Sport Mode Input 0 V/Battery Voltage Level
Other 9 V < Battery Voltage Level < 16 V
39 Oil Temperature Sensor (-) X Ground 0 V
43 Underdrive Brake Control Solenoid Valve
(UD/B_VFS)
X		 X Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
Power Supply: V_SOL2
44 35R Clutch Control Solenoid Valve
(35R/C_VFS)		 X Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
45 Torque Converter Control Solenoid Valve
(T/C_VFS)		 X Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
46 Brake 26 Control Solenoid Valve
(26/B_VFS)		 X Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
Power Supply: V_SOL2
58 Sport Mode Down Switch Down Input 0 V/Battery Voltage Level
Other 9 V < Battery Voltage Level < 16 V
59 Transmission Fluid Temperature Sensor (+) ON Input 0 V/3.3 V
OFF
73 "S4" Inhibitor Switch Signal High Input 0 V/Battery Voltage Level
Low 9 V < Battery Voltage Level < 16 V
74 Inhibitor Switch Signal "S2" High Input 0 V/Battery Voltage Level
Low 9 V < Battery Voltage Level < 16 V
75 Inhibitor Switch Signal "S3" High Input 0 V/Battery Voltage Level
Low 9 V < Battery Voltage Level < 16 V
89 On/Off Solenoid Valve A (SS-A) High Output 0 V/Battery Voltage Level
Low 9 V < Battery Voltage Level < 16 V
94 Inhibitor Switch Signal "S1" High Input 0 V/Battery Voltage Level
Low 9 V < Battery Voltage Level < 16 V
95 Output Speed Sensor Power ON Power 0 V/7.5 V
OFF
96 Input Speed Sensor Power ON Power 0 V/7.5 V
OFF
99 Input Speed Sensor Signal High Input 0.7 V/1.4 V
X
100 Output Speed Sensor Signal High Input 0.7 V/1.4 V
Low

Connector [B]
Pin Description Condition Input/Output Value
Type Level
1 Ground (Power 1) X Ground 0 V
2 Ground (Power 2) X Ground 0 V
3 Battery Power (B+) ON Power 0 V/Battery Voltage Level
OFF 9 V < Battery Voltage Level < 16 V
4 Ground (Power 2) X Ground 0 V
5 Battery Power (B+) ON Power 0 V/Battery Voltage Level
OFF 9 V < Battery Voltage Level < 16 V

Wiring Diagram

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A quick Hyundai Tucson LM quiz: every answer comes with an explanation and a link to the manual page.